Complete refactoring into subdirectory

extensions/fablabchemnitz/inkstitch/fonts/geneva_simple/LICENSE

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+CC-BY-SA 2.5 https://creativecommons.org/licenses/by-sa/2.5/

extensions/fablabchemnitz/inkstitch/fonts/geneva_simple/README.md

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+Geneva-simple-sans embroidery typeface V1 (draft)
+suitable (in principle) for small fonts (6 to 15mm)
+
+License: https://creativecommons.org/licenses/by-sa/2.5/
+Cite: https://edutechwiki.unige.ch/en/InkStitch_-_Geneva-simple_typefaces 
+This work is based on the 1-stroke Hershey font available in InkScape
+http://evilmadscientist.com/go/hershey 

extensions/fablabchemnitz/inkstitch/fonts/geneva_simple/font.json

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+{
+  "name": "Geneva Simple Sans",
+  "description": "Suitable for small fonts (6 to 15mm)",
+  "leading": 16,
+  "letter_spacing": 2.5,
+  "word_spacing": 9,
+  "auto_satin": true,
+  "default_glyph": "<22>",
+  "min_scale": 0.75,
+  "max_scale": 2.0,
+  "kerning_pairs": {
+    "wo": -0.9
+  }
+}